- Star ratchet hub 60t Enduro / Downhill / E-bike - 12X148 boost spacing - 6 bolt disk - 32 hole front and rear three cross - Dt Swiss 14 gauge spokes and brass nipples - 2,260g set front:1,085g Rear 1,175g (29er) Rim specs: - 6069 Aluminum - I.D.-30MM / O.D.-35MM